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-rw-r--r--packages/dev-utils/test/blockchain_lifecycle_test.ts27
1 files changed, 27 insertions, 0 deletions
diff --git a/packages/dev-utils/test/blockchain_lifecycle_test.ts b/packages/dev-utils/test/blockchain_lifecycle_test.ts
new file mode 100644
index 000000000..4fdc53c87
--- /dev/null
+++ b/packages/dev-utils/test/blockchain_lifecycle_test.ts
@@ -0,0 +1,27 @@
+import { BlockParamLiteral } from '@0xproject/types';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as chai from 'chai';
+import 'mocha';
+
+import { BlockchainLifecycle, RPC, web3Factory } from '../src';
+
+const expect = chai.expect;
+
+describe('BlockchainLifecycle tests', () => {
+ const web3 = web3Factory.create();
+ const web3Wrapper = new Web3Wrapper(web3.currentProvider);
+ const rpc = new RPC();
+ const blockchainLifecycle = new BlockchainLifecycle();
+ describe('#startAsync/revertAsync', () => {
+ it('reverts changes in between', async () => {
+ const blockNumberBefore = await web3Wrapper.getBlockNumberAsync();
+ await blockchainLifecycle.startAsync();
+ await rpc.mineBlockAsync();
+ const blockNumberAfter = await web3Wrapper.getBlockNumberAsync();
+ expect(blockNumberAfter).to.be.equal(blockNumberBefore + 1);
+ await blockchainLifecycle.revertAsync();
+ const blockNumberAfterRevert = await web3Wrapper.getBlockNumberAsync();
+ expect(blockNumberAfterRevert).to.be.equal(blockNumberBefore);
+ });
+ });
+});